Call of Duty 3 Cheats, Codes, and Secrets for Xbox 360

Codes

Unlock All Levels and Pictures
Enter at the Chapter Select Screen. This effect only remains until you restart your console.
Effect Code
Unlock all levels and pictures Hold Back then d-pad right, right, left, left, then X, X.
Contributed By: SLKrimer.
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Effect	Code
Unlock all levels and pictures	Hold Back then d-pad right, right, left, left, then X, X.

Unlockables

Achievements

Complete each achievement to get the allotted gamerscore.

Unlockable	How to Unlock
A War Hero (30)	Capture the final objective in the game mode War. Must be a ranked match. (Multiplayer)
Allergic to Bullets (25)	Avoid getting hit more than 30 times during a mission.
American Infantryman (20)	Complete two missions as an American soldier.
Assault Trooper (15)	Complete a mission by firing only assault rifles. Melee attacks don't count.
Basic Training (5)	Complete the basic training in the beginning of Saint Lo.5.
Battlefield Scavenger (15)	Complete a mission by firing only German weapons. Melee attacks don't count.
Big Air (25)	Find a big jump and catch some air.
British Commando (20)	Complete two missions as a British soldier.
Canadian Highlander (10)	Complete two missions as a Canadian soldier.
Captain (40)	Receive 2000 total points in ranked matches. (Multiplayer)
Close Quarter Combatant (100)	Complete a mission without firing a round. Player can make use of melee attacks and hand grenades.
Colonel (80)	Receive 20000 total points in ranked matches. (Multiplayer)
Conservationist (20)	Complete a mission using less than 300 rounds of ammunition.
Doc (30)	Revive 10 of your teammates in a ranked match without getting a teamkill. (Multiplayer)
General (120)	Receive 40000 total points in ranked matches. (Multiplayer)
Grizzled Veteran (150)	Complete the Single Player Campaign on Veteran difficulty.
Hot Potato (25)	Pick up and return 5 live grenades.
Lieutenant (20)	Receive 200 total points in ranked matches. (Multiplayer)
Major (60)	Receive 8000 total points in ranked matches. (Multiplayer)
Polish Tanker (15)	Complete two missions as a Polish soldier.
Purple Heart (5)	For perserverence despite grevious injuries.
Rifleman (15)	Complete a mission by firing only bolt action rifles. Melee attacks don't count.
Still Ticking (30)	Complete a mission without dying or using checkpoints.
Supply Officer (15)	Supply ammunition to at least 20 friendly soldiers in a single ranked match. (Multiplayer)
Victory Medal (30)	Be the player with the highest score and on the winning team in a ranked match. (Multiplayer)
Won the War (80)	Complete the single player campaign on any difficulty setting.